Reinforced Plating
Reinforced Plating is used in the most complicated of machines. It is made from surrounding four Basic Plating with eight Tough Alloy Ingots and 4 Redstone, yielding 4 Reinforced Plates. If Mekanism is installed, it can also be made from using the enrichment chamber on 4 Basic Plating, yielding 1 Reinforced Plating.